I'm pretty sure its from the stomach.
Answer:
whats that? i have no idea what that is lol
Explanation:
The answer is B: fat gives your body energy to function, while muscle mass is used only to perform strenuous activity. This option is only correct because the statement includes the words, "muscle mass." If it was only "muscle," then it would be wrong.
Um, isn't it obvious? Get new shoes, duh.